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rigorous

Upper-Intermediate (B2)

IPA: /ˈrɪɡərəs/

KK: /ˈrɪɡərəs/

adjective
Definition

Strict and demanding, often requiring a lot of effort or discipline. It can also mean very precise or harsh in conditions.


Example

The rigorous training program helped the athletes improve their performance significantly.


Conversation
Sloth A
Have you heard about the new rigorous workout program at the gym?
Sloth B
Yeah, I've heard it's pretty intense but really effective!
Sloth A
I’m a bit worried it might be too rigorous for me, though.
Sloth B
You can always ease into it; they say starting slow helps with the tough parts.

Synonyms & Antonyms
Synonyms
strict
severe
exact
Antonyms
lenient
easy
vague
Root Explanation

Rigorous → It is formed from "rigor" (from Latin "rigor", meaning stiffness or severity) and the suffix "-ous" (meaning full of or characterized by). The word "rigorous" means characterized by strictness or severity.

Memory Tip

Think of 'rigor' meaning strictness or severity, and remember that 'rigorous' describes something full of strictness.

Visually Confused Words
unrigorous
vigorous
trigonous
riotous
overrigorous
nigrous
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